* src/abg-ir.cc (on-the-fly-canonicalization): Enclose the comment
into <pre> html tag to make the ascii-art graph look good.
Signed-off-by: Dodji Seketeli <dodji@redhat.com>
/// we say that T is a recursive type, because it has T (itself) as
/// one of its sub-types:
///
-/// T
-/// +-- ST0
-/// |
-/// +-- ST1
-/// | +
-/// | |
-/// | +-- T
-/// |
-/// +-- ST2
+/// <PRE>
+/// T
+/// +-- ST0
+/// |
+/// +-- ST1
+/// | +
+/// | |
+/// | +-- T
+/// |
+/// +-- ST2
+/// </PRE>
///
/// ST1 is said to "depend" on T because it has T as a sub-type. But
/// because T is recursive, then ST1 is said to depend on a recursive